[turbofan] Sparse representation for state values

test/unittests/compiler/liveness-analyzer-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/liveness-analyzer.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/state-values-utils.h"
 #include "test/unittests/compiler/graph-unittest.h"
@@ skipping 10 matching lines @@
 
 class LivenessAnalysisTest : public GraphTest {
  public:
   explicit LivenessAnalysisTest(int locals_count = 4)
       : locals_count_(locals_count),
         machine_(zone(), MachineRepresentation::kWord32),
         javascript_(zone()),
         jsgraph_(isolate(), graph(), common(), &javascript_, nullptr,
                  &machine_),
         analyzer_(locals_count, false, zone()),
-        empty_values_(graph()->NewNode(common()->StateValues(0), 0, nullptr)),
+        empty_values_(
+            graph()->NewNode(common()->StateValues(0, 0u), 0, nullptr)),
         next_checkpoint_id_(0),
         current_block_(nullptr) {}
 
  protected:
   JSGraph* jsgraph() { return &jsgraph_; }
 
   LivenessAnalyzer* analyzer() { return &analyzer_; }
   void Run() {
     StateValuesCache cache(jsgraph());
     NonLiveFrameStateSlotReplacer replacer(
         &cache, jsgraph()->UndefinedConstant(), analyzer()->local_count(),
         false, zone());
     analyzer()->Run(&replacer);
   }
 
   Node* Checkpoint() {
     int ast_num = next_checkpoint_id_++;
     int first_const = intconst_from_bailout_id(ast_num, locals_count_);
 
-    const Operator* locals_op = common()->StateValues(locals_count_);
+    const Operator* locals_op = common()->StateValues(locals_count_, 0u);
 
     ZoneVector<Node*> local_inputs(locals_count_, nullptr, zone());
     for (int i = 0; i < locals_count_; i++) {
       local_inputs[i] = jsgraph()->Int32Constant(i + first_const);
     }
     Node* locals =
         graph()->NewNode(locals_op, locals_count_, &local_inputs.front());
 
     const FrameStateFunctionInfo* state_info =
         common()->CreateFrameStateFunctionInfo(
@@ skipping 307 matching lines @@
   EXPECT_THAT(c1_in_loop, IsCheckpointModuloLiveness(".L.L"));
   EXPECT_THAT(c2_in_loop, IsCheckpointModuloLiveness("LL.L"));
 
   EXPECT_THAT(c1_end, IsCheckpointModuloLiveness(".LL."));
   EXPECT_THAT(c2_end, IsCheckpointModuloLiveness("...."));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8